[1/2] Start full screen Activity with edit action tapped in multi-pane

Bug: 204411095
Test: Manual
Change-Id: I67e4a9d659aaef5fd738736e91de89908c9138d2
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 0127973..096d623 100755
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -112,6 +112,13 @@
          android:theme="@style/WallpaperTheme.Preview">
     </activity>
 
+    <activity
+         android:name="com.android.wallpaper.picker.FullPreviewActivity"
+         android:taskAffinity="@string/full_screen_task_affinity"
+         android:resizeableActivity="false"
+         android:theme="@style/WallpaperTheme.Preview">
+    </activity>
+
     <activity android:name="com.android.wallpaper.picker.StandalonePreviewActivity"
          android:resizeableActivity="false"
          android:theme="@style/WallpaperTheme.Preview"